it will be used to save animals all over the world. it is an image we love, animals free in the wild. but around the world, many wild animals are slowly disappearing. one expert works at the san francisco's presidio. >> we humans through habitat loss and pollution, and population are really tearing up the species. >> reporter: after seeing the millions raised by the breast cancer awareness stamp, animal advocates came together. >> from -- very animal welfare groups that don't normally work together, decided to submit to the postal service a proposal to create a stamp like the breast cancer stamp. >> reporter: the result is this stamp, featuring a tiger cub, an animal that was almost wiped out. but now on the rebound. >> that species is showing somewhat of a recovery, just a few years ago there were only 65 left. and now there are -- hundreds more. >> reporter: the stamp costs 11 cents more than a regular first class stamp, with the extra money going to fund projects to save everything from african and asian elephants, to tigers, and se